:root{
  --ink:#0b1220;
  --muted:#5f6b7a;
  --line:#e7ebf0;
  --surface:#f7f9fc;
  --white:#fff;
  --accent:#173b73;
  --accent-2:#2f5f9e;
  --gold:#b18a4a;
  --radius:22px;
  --shadow:0 18px 60px rgba(17,32,55,.10);
  --max:1180px;
}
*{box-sizing:border-box}
html{overflow-x:hidden;scroll-behavior:smooth}
body{margin:0;width:100%;overflow-x:hidden;color:var(--ink);background:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 14px;z-index:1000}
.skip-link:focus{left:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,235,240,.85)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.wordmark{font-weight:800;letter-spacing:-.045em;font-size:21px;white-space:nowrap}
.wordmark span{font-weight:500;color:var(--muted)}
.nav-links{display:flex;gap:22px;align-items:center;font-size:14px;color:#354154}
.nav-links a:hover{color:var(--accent)}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:12px 19px;font-weight:750;transition:.2s ease}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,18,32,.16)}
.btn-light{background:#fff;border:1px solid var(--line)}
.btn-accent{background:var(--accent);color:#fff}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 11px}
.hero{position:relative;min-height:680px;display:flex;align-items:center;overflow:hidden;background:#eef3f8}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 34%;filter:saturate(.78)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,15,27,.84) 0%,rgba(7,15,27,.64) 42%,rgba(7,15,27,.10) 78%),linear-gradient(0deg,rgba(7,15,27,.18),rgba(7,15,27,.04))}
.hero-content{position:relative;color:#fff;max-width:700px;padding:100px 0}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:800;opacity:.78}
.hero h1{font-size:clamp(44px,7vw,78px);line-height:1.04;letter-spacing:-.055em;margin:18px 0 22px}
.hero p{font-size:19px;max-width:640px;color:rgba(255,255,255,.87);margin:0 0 30px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(8px)}
.section{padding:96px 0}
.section-sm{padding:62px 0}
.section-muted{background:var(--surface)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.12;letter-spacing:-.045em;margin:0}
.section-head p{max-width:560px;color:var(--muted);margin:0}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s ease}
.card h3{margin:0 0 8px;font-size:20px;letter-spacing:-.025em}
.card p{margin:0;color:var(--muted)}
.card .tag{display:inline-block;margin-bottom:16px;font-size:12px;font-weight:800;color:var(--accent);background:#edf3fb;padding:6px 9px;border-radius:999px}
.exam-card{min-height:190px;display:flex;flex-direction:column;justify-content:space-between}
.exam-card .arrow{font-size:22px;color:var(--accent)}
.kicker{color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.04em}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split img{border-radius:28px;box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:clamp(32px,4vw,52px);line-height:1.1;letter-spacing:-.045em;margin:12px 0 18px}
.list{padding:0;margin:22px 0 0;list-style:none}
.list li{padding:12px 0;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:28px 20px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:28px;letter-spacing:-.04em}
.stat span{color:var(--muted);font-size:14px}
.breadcrumb{padding:28px 0 0;color:var(--muted);font-size:13px}
.page-hero{padding:74px 0 70px;background:linear-gradient(180deg,#f4f7fb,#fff)}
.page-hero h1{font-size:clamp(42px,6vw,70px);line-height:1.04;letter-spacing:-.055em;margin:10px 0 18px}
.page-hero p{max-width:740px;color:var(--muted);font-size:18px}
.notice{padding:16px 18px;border-radius:14px;background:#f4f7fb;border:1px solid var(--line);font-size:14px;color:#485466}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.pill{border:1px solid var(--line);padding:8px 11px;border-radius:999px;font-size:13px;background:#fff}
.timeline{display:grid;gap:14px}
.timeline-item{display:grid;grid-template-columns:80px 1fr;gap:18px;border-bottom:1px solid var(--line);padding:18px 0}
.timeline-item strong{color:var(--accent)}
.diagnostic{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.score{background:var(--ink);color:#fff;border-radius:24px;padding:30px}
.score .big{font-size:52px;font-weight:800;line-height:1}
.score small{opacity:.7}
.progress{height:10px;background:#dfe5ee;border-radius:999px;overflow:hidden;margin-top:15px}
.progress i{display:block;height:100%;background:#7ca0cf;width:62%}
.skill{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13)}
.skill:last-child{border:0}
.form{display:grid;gap:16px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:7px;font-size:14px;font-weight:700}
input,select,textarea{width:100%;border:1px solid #d8dee8;border-radius:12px;padding:12px 13px;background:#fff;color:var(--ink);outline:none}
input:focus,select:focus,textarea:focus{border-color:#7896bd;box-shadow:0 0 0 3px rgba(71,111,162,.12)}
textarea{min-height:130px;resize:vertical}
.form-note{font-size:12px;color:var(--muted)}
.alert{padding:13px 15px;border-radius:12px;background:#f6f8fb;border:1px solid var(--line);font-size:14px}
.cta{background:var(--ink);color:#fff;border-radius:30px;padding:52px}
.cta h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.045em;line-height:1.12;margin:0 0 12px}
.cta p{color:rgba(255,255,255,.72);max-width:650px}
.footer{background:#0b1220;color:#fff;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer a{color:rgba(255,255,255,.7);font-size:14px}
.footer a:hover{color:#fff}
.footer h4{margin:0 0 13px;font-size:13px}
.footer p{color:rgba(255,255,255,.58);font-size:14px;max-width:440px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;color:rgba(255,255,255,.48);font-size:12px;display:flex;justify-content:space-between;gap:20px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:750}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}
table{border-collapse:collapse;width:100%;min-width:680px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#f7f9fc}
.admin-shell{min-height:100vh;background:#f6f8fb}
.admin-nav{background:#0b1220;color:#fff;padding:18px 0}
.admin-main{padding:35px 0}
.admin-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.admin-card strong{font-size:30px;display:block}
.hidden{display:none!important}
.small{font-size:12px;color:var(--muted)}
.center{text-align:center}
@media(max-width:980px){
  .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:18px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .nav-cta{display:none}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .admin-cards{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .nav{height:68px}
  .nav-links{top:68px}
  .hero{min-height:620px}
  .hero-content{padding:78px 0}
  .hero h1{font-size:47px}
  .hero p{font-size:16px}
  .section{padding:68px 0}
  .section-head{display:block}
  .section-head p{margin-top:14px}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .diagnostic{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .stat{border-right:0!important;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .cta{padding:34px 24px}
  .timeline-item{grid-template-columns:60px 1fr}
}

.exam-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}
.exam-fact{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
.exam-fact strong{display:block;font-size:26px;letter-spacing:-.04em;margin-top:4px}
.exam-fact span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.source-note{margin-top:18px;color:var(--muted);font-size:12px}
.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.material-card{display:flex;flex-direction:column;min-height:190px}
.material-card .material-title{font-size:17px;font-weight:800;line-height:1.35;margin:4px 0 10px}
.material-card .material-meta{font-size:12px;color:var(--muted);margin-top:auto;padding-top:18px}
.material-card .btn{margin-top:16px;width:max-content}
.contact-priority{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.contact-priority .card{display:flex;align-items:center;justify-content:space-between;gap:18px}
.contact-priority .big-contact{font-size:26px;font-weight:850;letter-spacing:-.03em}
.sticky-contact{position:fixed;left:14px;right:14px;bottom:14px;z-index:80;display:none;grid-template-columns:1fr 1fr;gap:8px;padding:8px;background:rgba(11,18,32,.94);border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.22);backdrop-filter:blur(12px)}
.sticky-contact a{display:flex;align-items:center;justify-content:center;min-height:46px;border-radius:12px;font-weight:800;font-size:14px}
.sticky-contact .phone{background:#fff;color:var(--ink)}
.sticky-contact .kakao{background:#f5d54f;color:#111}
@media(max-width:980px){.exam-facts{grid-template-columns:1fr 1fr}.material-grid{grid-template-columns:1fr 1fr}.sticky-contact{display:grid}}
@media(max-width:640px){.exam-facts{grid-template-columns:1fr 1fr}.material-grid{grid-template-columns:1fr}.contact-priority{grid-template-columns:1fr}.exam-fact strong{font-size:22px}}


/* Responsive hardening */
html{overflow-x:hidden}
body{overflow-x:hidden}
img,video,svg{max-width:100%;height:auto}
button,a{touch-action:manipulation}
@media(min-width:981px){.menu-btn{display:none!important}.nav-links{display:flex!important}}
@media(max-width:980px){.nav{gap:12px}.wordmark{font-size:18px}.nav-links a{padding:10px 0}.hero-media img{object-position:center center}.table-wrap{max-width:100%}}
@media(max-width:640px){.container{width:min(var(--max),calc(100% - 28px))}.wordmark{font-size:17px}.hero{min-height:600px}.hero-content{padding:70px 0 100px}.hero h1{font-size:clamp(38px,11vw,48px)}.hero p{font-size:16px;line-height:1.7}.btn{min-height:46px}.actions .btn{flex:1 1 100%}.card{padding:22px}.exam-facts{grid-template-columns:1fr 1fr!important}.exam-fact{padding:17px}.exam-fact strong{font-size:20px}.sticky-contact{left:10px;right:10px;bottom:10px}}
@media(max-width:390px){.exam-facts{grid-template-columns:1fr!important}.nav{height:64px}.nav-links{top:64px}.hero h1{font-size:38px}}


:root{
  --ink:#18342f; --muted:#68756f; --line:#dfe5df; --surface:#f4f1e8; --white:#fff;
  --accent:#1e4b42; --accent-2:#2d6659; --gold:#b67b45; --radius:24px;
  --shadow:0 22px 70px rgba(24,52,47,.11); --max:1180px;
}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fbfaf6;color:var(--ink)}
.site-header{background:rgba(251,250,246,.9);border-bottom:1px solid rgba(24,52,47,.1)}
.nav{height:82px}.wordmark{font-size:20px;letter-spacing:-.05em;color:var(--ink)}
.wordmark span{color:var(--gold)} .nav-links{gap:20px;font-weight:700;color:#43534d}
.nav-links a:hover{color:var(--gold)}
.btn{border-radius:999px;padding:13px 20px;font-weight:800;transition:.2s ease;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)} .btn-primary:hover{background:#163b34;transform:translateY(-1px)}
.btn-accent{background:var(--gold);color:#fff;border:1px solid var(--gold)} .btn-light{background:#fff;color:var(--accent);border:1px solid rgba(255,255,255,.6)}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 40px rgba(24,52,47,.05)}
.section-muted{background:#f1eee5}.kicker{color:var(--gold);font-weight:900;letter-spacing:.12em;font-size:12px}
h1,h2,h3{letter-spacing:-.045em}h2{font-size:clamp(34px,4vw,56px);line-height:1.08}.section{padding:94px 0}.section-sm{padding:60px 0}
.hero-new{padding:28px 0 90px;background:#fbfaf6}.hero-new .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;min-height:650px}
.hero-copy .eyebrow{display:inline-flex;padding:8px 12px;border:1px solid #d8cbbd;border-radius:999px;color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.1em}
.hero-copy h1{font-size:clamp(48px,6.2vw,82px);line-height:1.02;margin:22px 0}.hero-copy p{font-size:18px;color:var(--muted);max-width:640px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
.hero-photo{position:relative}.hero-photo img{width:100%;height:600px;object-fit:cover;border-radius:36px;box-shadow:var(--shadow)}.hero-photo:after{content:"TOP EDU PREP";position:absolute;right:-16px;bottom:28px;background:var(--gold);color:#fff;font-size:11px;font-weight:900;letter-spacing:.15em;padding:12px 15px;border-radius:999px}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}.feature-strip .card{padding:22px}.feature-strip strong{display:block;font-size:25px}.feature-strip span{font-size:13px;color:var(--muted)}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.process .card{padding:26px;min-height:190px}.num{font-size:12px;font-weight:900;color:var(--gold);letter-spacing:.12em}.process h3{font-size:21px;margin:16px 0 8px}.process p{margin:0;color:var(--muted);font-size:14px}
.program-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.program-grid .card{padding:25px;min-height:205px}.program-grid h3{margin:12px 0 7px}.program-grid p{color:var(--muted);font-size:14px;margin:0}.program-grid .tag{display:inline-block;color:var(--gold);font-size:11px;font-weight:900;letter-spacing:.1em}
.quote-band{background:var(--accent);color:#fff;border-radius:34px;padding:58px clamp(26px,6vw,76px);position:relative;overflow:hidden}.quote-band:before{content:"“";position:absolute;font-size:240px;line-height:.7;right:30px;top:20px;color:rgba(255,255,255,.07)}.quote-band p{font-size:clamp(22px,3vw,38px);line-height:1.25;max-width:850px;margin:10px 0 0;position:relative}
.cta{background:var(--accent);border-radius:32px;box-shadow:var(--shadow)}
.footer{background:#132c28;color:#dce7e2}.footer a{color:#dce7e2}.footer a:hover{color:#e3b17f}.footer h4{color:#e3b17f}
.sticky-contact{background:rgba(19,44,40,.96)}
.page-hero{background:#e9e4d8;padding:86px 0 70px}.page-hero h1{font-size:clamp(42px,6vw,70px);margin:14px 0}.page-hero p{max-width:760px;color:var(--muted);font-size:17px}
@media(max-width:980px){.hero-new .hero-grid{grid-template-columns:1fr}.hero-photo img{height:480px}.program-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}.feature-strip{grid-template-columns:1fr 1fr 1fr}.nav-links{display:none;position:absolute;left:0;right:0;top:82px;background:#fbfaf6;border-bottom:1px solid var(--line);padding:18px 20px;flex-direction:column;align-items:stretch;box-shadow:0 20px 40px rgba(0,0,0,.08)}.nav-links.open{display:flex}.nav-cta{display:none}.menu-btn{display:block!important;background:transparent;border:0;font-size:25px;color:var(--accent)}}
@media(max-width:640px){.section{padding:68px 0}.hero-new{padding-top:10px}.hero-new .hero-grid{min-height:auto;gap:30px}.hero-copy h1{font-size:clamp(44px,13vw,62px)}.hero-copy p{font-size:16px}.hero-photo img{height:360px;border-radius:26px}.hero-photo:after{right:10px;bottom:14px}.feature-strip,.program-grid,.process{grid-template-columns:1fr}.feature-strip .card{padding:18px}.page-hero{padding:65px 0 55px}.quote-band{border-radius:24px;padding:40px 24px}.nav{height:72px}}


/* LEARNING MATERIALS */
.materials-hero{background:linear-gradient(135deg,#173e37 0%,#24564b 58%,#315f55 100%);color:#fff;padding:76px 0 68px}.materials-hero .kicker{color:#e5bd91}.materials-hero h1{color:#fff;max-width:850px}.materials-hero p{color:rgba(255,255,255,.78);max-width:760px;font-size:18px}.materials-shell{padding:34px 0 90px;background:#f7f6f1}.materials-toolbar{position:sticky;top:74px;z-index:5;background:rgba(247,246,241,.94);backdrop-filter:blur(12px);padding:18px 0;border-bottom:1px solid #ddd8cf}.materials-toolbar-inner{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.materials-search{flex:1;min-width:260px;border:1px solid #d8d2c7;background:#fff;border-radius:14px;padding:14px 16px;font-size:15px;outline:none}.materials-search:focus{border-color:#b67b45;box-shadow:0 0 0 3px rgba(182,123,69,.12)}.filter-row{display:flex;gap:8px;overflow:auto;padding-top:12px}.filter-btn{border:1px solid #d8d2c7;background:#fff;border-radius:999px;padding:9px 13px;white-space:nowrap;cursor:pointer;font-weight:700;color:#5d625e}.filter-btn.active,.filter-btn:hover{background:#1e4b42;color:#fff;border-color:#1e4b42}.daily-card{margin:28px 0;background:#fff;border:1px solid #e0d8cd;border-radius:24px;padding:26px;box-shadow:0 18px 50px rgba(30,75,66,.08)}.daily-card .daily-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.daily-badge{display:inline-flex;background:#f2e3d2;color:#8d5e35;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800;letter-spacing:.05em}.daily-card h2{margin:10px 0 8px}.daily-card p{color:#68716d}.materials-note{background:#eef3ef;border-radius:16px;padding:14px 16px;color:#35524b;font-size:14px;margin-top:18px}.materials-count{color:#777;font-size:14px}.materials-groups{display:grid;gap:28px;margin-top:28px}.materials-group{scroll-margin-top:150px}.materials-group-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:13px}.materials-group-head h2{margin:0}.materials-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.material-card{background:#fff;border:1px solid #e2ddd4;border-radius:18px;padding:20px;display:flex;flex-direction:column;min-height:168px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.material-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(30,75,66,.09);border-color:#cdbba6}.material-tag{font-size:11px;font-weight:800;letter-spacing:.08em;color:#b67b45;text-transform:uppercase;margin-bottom:9px}.material-card h3{font-size:17px;line-height:1.45;margin:0 0 16px}.material-card .open-link{margin-top:auto;color:#1e4b42;font-weight:800;text-decoration:none}.material-card .open-link span{transition:margin .15s}.material-card:hover .open-link span{margin-left:5px}.empty-state{display:none;padding:30px;text-align:center;background:#fff;border:1px dashed #d8d2c7;border-radius:18px;color:#777}@media(max-width:900px){.materials-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.materials-hero{padding:55px 0}.materials-hero h1{font-size:36px}.materials-toolbar{top:64px}.materials-grid{grid-template-columns:1fr}.daily-card .daily-top{display:block}.daily-card .btn{margin-top:14px;width:100%}.materials-shell{padding-bottom:60px}}